At the same time this surface low is developing across the northern Gulf, and upper level low pressure will be moving into our northern counties. It is this upper level low that will provide enough cold air in the mid and upper levels for snow to develop. Right now it looks as though temperatures Sunday afternoon and evening will be in the middle 30s from I-20 north. Although this is above freezing, it is cold enough for snow to reach the surface. Based on the forecast intensity of the precipitation, it does appear some areas of East Texas could see accumulations of snow Sunday afternoon and evening. The best chance of seeing accumulating snow is over our northeastern counties, mainly along and north of a Sulphur Springs to Jefferson line. Here one to two inches of snow with locally heavier amounts could occur.
As for the Tyler Longview and Jacksonville areas, it appears right now we will mostly see a rain event mixed with sleet and snow at times late Sunday. At this time no accumulations are expected but this could change based on the eventual path of the low pressure.
In the Lufkin Nacogdoches and Crockett areas mainly a cold rain is expected. If the low pressure tracks farther south, then a mix of sleet and snow could occur. As with all winter forecast in Texas, a lot could change between now and Sunday. If the low track farther south, much of East Texas could see an accumulating snow event. If the low tracks farther north, all areas of East Texas would probably just receive rain.
Once Sunday’s storm system moves out, much colder air will move into the area. Highs by Tuesday and Wednesday still only appear to be in the 30s. A fast moving disturbance could even produce a few flurries during the mid week period but no travel problems are anticipated with this system. Please stay tuned to the latest weather information on this developing winter storm.
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